Adjustable chair



FIG. 1 is a front perspective view of an adjustable chair embodying ournew design;

FIG. 2 is a rear perspective view from the other side of the adjustablechair;

FIG. 3 is a bottom view of the adjustable chair; and

FIG. 4 is a front perspective view showing the adjustable chair in analternate position.

The ornamental design for an adjustable chair, substantially as shownand described.